> On Oct 18, 2016, at 10:40 AM, Laszlo Ersek <ler...@redhat.com> wrote:
> 
> On 10/18/16 19:18, Saqib Khan wrote:
>> Hi,
>> I can not find structure of BOOTXXXX variable, Can any one help how to
>> extract device path from BOOTXXXX variable.
> 
> In UEFI-related questions, the UEFI specification has a fair chance to
> provide useful information.
> 
> Please refer to "3.1.3 Load Options" in the UEFI v2.6 spec, available
> for download from <http://www.uefi.org/specifications>.
> 
> Locating the matching structure definition in the edk2 tree is left as
> an exercise to the reader ;)
> 

Chapter 3 Boot Manager. 

The structure is EFI_LOAD_OPTION but some of the fields are variable length so 
you have to do math to figure stuff out. 

Thanks,

Andrew Fish


> Laszlo
> 
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